Soal MTCNA Firewall dan Queue
Exercise Firewall
1. Which firewall chain filters traffic inbound to the router itself?
(a) Input
(b) Forward
(c) Output
(d) NAT
2. What protocol is allowed for monitoring via the Input chain in the default firewall rules?
(a) TCP
(b) UDP
(c) IP
(d) ICMP
3. An ICMP packet notifying a sender that a host cannot be found will be a related packet.
(a) True
(b) False
4. What firewall action blocks a packet without sending a reply to the sender?
(a) Reject
(b) Drop
(c) Jump
(d) Accept
5. Which firewall action speeds packets through the filtering process once they’ve been al�lowed?
(a) Passthrough
(b) Jump
(c) FastPath
(d) FastTrack
6. Rules are evaluated in alphabetical order by name in their respective chains.
(a) True
(b) False
7. Sending a ping from the router to another device creates traffic in which firewall chain?
(a) Input
(b) Forward
(c) Output
(d) Jump Chain
8. Once traffic has passed in both directions between a source and destination, what type of
connection is created?
(a) New
(b) Related
(c) Established
(d) Invalid
9. Port scan traffic, like from a TCP SYN scan, inbound to the router can typically create what
type of connection?
(a) New
(b) Established
(c) Related
(d) Invalid
10. Which rule should be placed at the end of each firewall chain?
(a) Drop Invalid
(b) Drop All
(c) Drop Connections
(d) Drop Source Routing
Exercise Queue
1. BFIFO uses packets to measure the queue size.
(a) True
(b) False
2. What does FIFO stand for?
(a) First In, First Out
(b) First In, Final Out
(c) Filter In, Filter Out
(d) Forward In, Filter Out
3. Which type of algorithm is good for managing traffic on a per-connection basis?
(a) None
(b) RED
(c) PCQ
(d) PFIFO
4. Simple queues manage traffic inbound to the router.
(a) True
(b) False
5. Interface queues allow traffic to be policed as it heads inbound to an interface.
(a) True
(b) False
6. What is the default interface queue type assigned to bridged?
(a) only-hardware-queue
(b) wireless-default
(c) ethernet-small
(d) no-queue
7. What value for upload and download means ”unlimited”?
(a) ”100”
(b) ”100%”
(c) ”0”
(d) ”None”
8. How many priority levels can be assigned to a queue?
(a) Five
(b) Six
(c) Seven
(d) Eight
9. One is the highest priority level that can be assigned to a queue.
(a) True
(b) False
10. The default priority assigned to a queue is seven.
(a) True
(b) False